These little birds forage in high coniferous Western forests, from Canada to near the Rio Grande. They nest in dead aspens because the soft wood is easy to excavate. Like all other chickadees ...

The Boulder Chickadee Study leverages an extensive network of nest boxes from Boulder up to the Mountain Research Station to examine ... We pair field studies with cutting-edge genomic tools to ...

The most widespread, numerous, and geographically variable chickadee, this bird brightens winter days at bird feeders and eagerly takes advantage of nest boxes. It is curious, with little or no ...